Summary: Radek Pietruszewski, software writer at Nozbe and creator of SwiftyUserDefaults, joins John to talk about developer seniority, being inspired by the React paradigm, singletons & dependency injection, micro features and much more. Special thanks to Vijay Tholpadi, Gilad Ronat, Manoj Karki, Hugo Lundin and Grzegorz Wikiera for this episode's questions & topics! ♬ Intro & outro jingles by Dariusz Dziuk.